If you have a secret, tell it to Carson Palmer. I know how it will be taken and perceived.All Palmer would add is that there were many mistruths surrounding his end of days with the Bengals and about how he threatened to retire if the team didnt trade him… (more).They ultimately did just that, but Palmer has never come out and said exactly why he needed to be free from wearing the Bengals orange and black stripes.Maybe there were just too many fights with stodgy owner Mike Brown about the lack of a decent supporting cast around him. Asked to explain why he wanted out of Cincinnati so badly two years ago after spending eight seasons with the Bengals, Palmer may as well have pasted Super Glue across his lips. The Cardinals quarterback knows all about keeping them and not saying a word. Now is not the time, but there definitely will be a time when Ill talk.Im a part of this team and this organization now, and my focus is this next game and the upcoming season.

The Cardinals' injury list could be printed on a Post-it Note, which might be the most positive development of training camp, which ended on Thursday. Tight end Jeff King (knee) and running back Ryan Williams (knee) practiced Thursday on limited basis. …

The lowdown on hitting: With emphasis on avoiding head injuries, could NFL be putting players' legs at risk?

The debate has been simmering ever since the NFL began to crack down on high hits, fining and suspending defenders who strike a "defenseless" offensive player in the neck and head area. It boiled to the surface this week after Houston rookie D…